2148957

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 3456000

約数和(自身を除く): 1307043

約数列:

[1, 3, 9, 19, 27, 57, 59, 71, 171, 177, 213, 513, 531, 639, 1121, 1349, 1593, 1917, 3363, 4047, 4189, 10089, 12141, 12567, 30267, 36423, 37701, 79591, 113103, 238773, 716319, 2148957]

約数ペア:

[(1, 2148957), (3, 716319), (9, 238773), (19, 113103), (27, 79591), (57, 37701), (59, 36423), (71, 30267), (171, 12567), (177, 12141), (213, 10089), (513, 4189), (531, 4047), (639, 3363), (1121, 1917), (1349, 1593)]